<div ng-show='showEx'>
    <div class="weui-mask"></div>
    <div class="weui-dialog">        
        <div class="weui-dialog__bd center">
        <div class="img" style="width: 50px;height:50px;background: url(assets/images/icons.png) no-repeat -33px -24px;; background-size:310%; margin :-15px auto 0px;padding-bottom:10px;"></div>
        <span class="fs16 color888">确定要退出吗？</span>
        </div>
        <div class="weui-dialog__ft">
            <a href="javascript:;" class="weui-dialog__btn weui-dialog__btn_default"  ng-click="confirmExHide();">取消</a>
            <a href="javascript:;" class="weui-dialog__btn weui-dialog__btn_primary"  ng-click="sureLogOut();"><span class="colorBlue">确定</span></a>
        </div>
    </div>
</div>